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Begin in the car park on the edge of the Dune du Châtelet near the village of Tardinghem.
(S/E) Follow the road backwards for about 200 m to reach the car park serving the hamlet of Châtelet. Turn right at the 1st junction. Reach the Mont aux Leux blockhouse complex.
(1) Continue along this path, past more blockhouses to the calvary. Then come to a road junction with a crucifix.
(2) Cross the road, then turn left onto the yellow signposted path. Continue south to reach the Todt Battery in the hamlet of Haringzelles.
(3) Turn right and continue until you reach the sea at Cran Poulet.
(4) Keep right on the GR®120 path, marked in red and white. Make a short climb along the top of the cliff. Return to the seafront, pass the Crans aux Œufs, then the Crans de Barbier, and arrive at a crossroads before the Cran des Sillers.
(5) A fence prevents access to the lighthouse from the coast. Turn right on the GR®120 and take the path that leads inland along the bombed out pasture. At the top of this track, keep left until you reach the hamlet of Framezelle.
(6) Cross Route du Cap at the crosswalk and turn left on the opposite sidewalk as far as Route du Sodit (where there's a one-way sign).
Turn right onto this road. Pass the Cap Gris Nez campsite. Leave the beach road on your left and continue until you reach an intersection of paths.
(8) Continue on the path leading to Le Gris Nez.
(9) Begin a short loop to the right to contemplate Cap Gris Nez, the cliffs of the English coast and the panoramic views. At the end of the loop, take the opposite route and continue left on the GR® to find the trailhead.
(8) Continue on the GR® 120, past the Sirène houses, to the paragliding departure area and a new lookout.
(10) Continue on the GR® heading due east, following numerous blockhouses again until you find another path on your right in the curve of the GR® 120.
(11) Follow this path to the right to find the route du Châtelet, which takes you back to the Dune du Châtelet car park (S/E).
Visorando Member
Easy 
Tourist office
